The initial tunnels were just ___________ the surfaceof the ground. People were transported in carriages, which were ___________ thenarrow tunnels by steam engines.

We are planning to have a casual get-together this Saturday. Are you coming——_______. I’ve got rather a full day this weekend.

–Can you come? –You go first and I’ll ____ in a few minutes.

_____your support, we couldn’t finish the job very quickly.

下列句子按句式特点分类正确的一组是（ ）①戍卒叫，函谷举 ②阳春召我以烟景 ③而身死国灭，为天下笑 ④秦人不暇自哀 ⑤使负栋之柱，多于南亩之农夫 ⑥赂秦而力亏，破灭之道也 ⑦有如此之势，而为秦人积威之所劫